驟晴驟雨 [骤－骤－]

Jyutping zaau6 cing4 zaau6 jyu5
Pinyin zhòu qíng zhòu yǔ

Definitions (粵典–words.hk)
  1. 形容詞
    一陣​天晴​，​又​落​一陣雨​，​飄​忽​不定
    to shift between sunny and raining randomly; to have a "British weather"